4 results
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Vertigo • Head ... examiners nose • Nystagmus ... following a finger) • Test ... #neurology #bppv ... #comparison #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... signs #symptoms #comparison ... #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Peripheral Vertigo ... minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... auditory findings BPPV
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
(BPPV) From Vestibular ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology ... #comparison